Agreements of the People's Republic of China with other countries, 1969-1972

1.0 3600 rich Agreements of the People's Republic of China with other countries, 1969-1972 https://library.upol.cz/arl-upol/en/detail-upol_us_cat-0185672-Agreements-of-the-Peoples-Republic-of-China-with-other-countries-19691972/